Instrument holder



FIG. 1 is a front elevational view of our design for an instrument holder.

FIG. 2 is a right side elevational view and a mirror image of the left side elevational view thereof.

FIG. 3 is as top plan view thereof.

FIG. 4 is a the rear elevational view thereof; and,

FIG. 5 is the bottom plan view thereof. 

The ornamental design of the article instrument holder, as shown and described. 